Home / 739,775,286.91-1,108,118,761.44-443,731,538.89

Finding the Fourth Proportional to 739,775,286.91, 1,108,118,761.44 and 443,731,538.89

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Solution

The fourth proportional to 739,775,286.91, 1,108,118,761.44 and 443,731,538.89 is: 664,671,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,775,286.91 : 1,108,118,761.44 = 443,731,538.89 : x
  2. Step 2: Convert to fraction form
    739,775,286.91/1,108,118,761.44 = 443,731,538.89/x
  3. Step 3: Cross multiply
    739,775,286.91x = 1,108,118,761.44 × 443,731,538.89
  4. Step 4: Simplify right side
    739,775,286.91x = 491,707,243,286,652,032
  5. Step 5: Solve for x
    x = 491,707,243,286,652,032/739,775,286.91
  6. Step 6: Final answer
    x = 664,671,085.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.